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tatuchka [14]
3 years ago
14

(3.9 x 10^20)(2.3x10^60) please explain will give Brainliest answer

Mathematics
1 answer:
Lunna [17]3 years ago
8 0

Answer:

(8.97x^2) *(10^80)

Step-by-step explanation:

See attachment

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Somebody Please help Me
Firdavs [7]
19. -x-2 = 2/3x + 3
5/3 x + 3 = -2
5/3x = -5
x = -3

20. none are correct, you can double check me by plugging in the x and y values in the coordanates into the first problem none of them worked out in the first equasion so no need to test the second

21. -3 is the answer, capable of being done by using desmos 
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3 years ago
What is 383 divided by 31
frosja888 [35]

The answer is 12.35

383/31 =12.35

7 0
3 years ago
PLEASE I NEED HELP I ONLY HAVE 3 MINUTES TO SOLVE THIS PLEASE HELP
defon

Answer:

A&B

Step-by-step explanation:

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3 years ago
What is the value of x?<br> Enter your answer in the box.<br> x =
Semmy [17]

Answer:

Step-by-step explanation:

8 0
2 years ago
Maya drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 12 hours. When Maya drove
Roman55 [17]

Answer:

480 miles.

Step-by-step explanation:

Let x represent the distance between Maria's house and mountains ans r represent Maria's rate for going trip.

We have been given that there was heavy traffic on the way there, and the trip took 12 hours.

\text{Distance}=\text{Rate}\times \text{Time}

x=12r

We are also told that hen Maya drove home, there was no traffic and the trip only took 8 hours. Maria's average rate was 20 miles per hour faster on the trip home.

So Maria's speed while returning back would be r+20.

x=8(r+20)

Upon equating both distances, we will get:

12r=8(r+20)

12r=8r+160

12r-8r=8r-8r+160

4r=160

r=\frac{160}{4}

r=40

Upon substituting r=40 in equation x=12r, we will get:

x=12r\\\\x=12(40)\\\\x=480

Therefore, Maya live 480 miles away from the mountains.

7 0
3 years ago
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